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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 1 — Jan. 1, 2014
  • pp: 123–135

Laser speckle contrast imaging with extended depth of field for in-vivo tissue imaging

Iliya Sigal, Raanan Gad, Antonio M. Caravaca-Aguirre, Yaaseen Atchia, Donald B. Conkey, Rafael Piestun, and Ofer Levi  »View Author Affiliations


Biomedical Optics Express, Vol. 5, Issue 1, pp. 123-135 (2014)
http://dx.doi.org/10.1364/BOE.5.000123


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Abstract

This work presents, to our knowledge, the first demonstration of the Laser Speckle Contrast Imaging (LSCI) technique with extended depth of field (DOF). We employ wavefront coding on the detected beam to gain quantitative information on flow speeds through a DOF extended two-fold compared to the traditional system. We characterize the system in-vitro using controlled microfluidic experiments, and apply it in-vivo to imaging the somatosensory cortex of a rat, showing improved ability to image flow in a larger number of vessels simultaneously.

© 2013 Optical Society of America

OCIS Codes
(110.6150) Imaging systems : Speckle imaging
(170.6480) Medical optics and biotechnology : Spectroscopy, speckle
(110.7348) Imaging systems : Wavefront encoding

ToC Category:
Speckle Imaging and Diagnostics

History
Original Manuscript: October 9, 2013
Revised Manuscript: November 27, 2013
Manuscript Accepted: November 27, 2013
Published: December 6, 2013

Citation
Iliya Sigal, Raanan Gad, Antonio M. Caravaca-Aguirre, Yaaseen Atchia, Donald B. Conkey, Rafael Piestun, and Ofer Levi, "Laser speckle contrast imaging with extended depth of field for in-vivo tissue imaging," Biomed. Opt. Express 5, 123-135 (2014)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-5-1-123


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